229  
FZUS54 KHGX 061039  
CWFHGX  
 
COASTAL WATERS FORECAST FOR TEXAS  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
539 AM CDT SUN SEP 6 2026  
 
UPPER TEXAS COASTAL WATERS FROM HIGH ISLAND TO THE MATAGORDA SHIP  
CHANNEL OUT 60 NAUTICAL MILES INCLUDING GALVESTON AND MATAGORDA  
BAYS.  
 
SEAS ARE PROVIDED AS A RANGE OF THE AVERAGE HEIGHT OF THE HIGHEST  
1/3 OF THE WAVES...ALONG WITH THE OCCASIONAL HEIGHT OF THE  
AVERAGE HIGHEST 10 PERCENT OF THE WAVES.  
 
GMZ300-062315-  
539 AM CDT SUN SEP 6 2026  
 
.SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60 NM  
INCLUDING GALVESTON AND MATAGORDA BAYS.  
 
LIGHT WINDS AND LOW SEAS WILL PREVAIL FOR THE NEXT SEVERAL DAYS.  
SCATTERED SHOWERS AND STORMS WILL BE POSSIBLE ON A DAILY BASIS AS  
UPPER LEVEL DISTURBANCES PASS THROUGH THE REGION. WHILE  
WIDESPREAD SEVERE STORMS ARE NOT ANTICIPATED, THE POTENTIAL IS  
THERE FOR A FEW EMBEDDED STRONGER STORMS CAPABLE OF PRODUCING WIND  
GUSTS TO 30 KNOTS, FREQUENT LIGHTNING, AND HEAVY DOWNPOURS. THE  
BEST CHANCES WILL BE IN THE MORNING THROUGH EARLY AFTERNOON HOURS.  
USUALLY IN THIS TYPE OF PATTERN, RAIN CHANCES ARE GENERALLY  
BETTER OFFSHORE IN THE LATE NIGHT AND MORNING HOURS, IN THE BAYS  
MID MORNING INTO THE AFTERNOON HOURS...THOUGH TIMING OF UPPER  
DISTURBANCES COULD ALTER THOSE AT TIMES.  
 
 
 
GMZ335-062315-  
GALVESTON BAY-  
539 AM CDT SUN SEP 6 2026  
   
TODAY  
NORTH WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST THIS  
AFTERNOON. BAY WATERS SMOOTH. A CHANCE OF SHOWERS. A SLIGHT  
CHANCE OF THUNDERSTORMS EARLY THIS MORNING, THEN A CHANCE OF  
THUNDERSTORMS LATE THIS MORNING AND AFTERNOON.    
TONIGHT  
SOUTHWEST WINDS AROUND 5 KNOTS. BAY WATERS SMOOTH.    
MONDAY  
WEST WINDS AROUND 5 KNOTS, BECOMING SOUTH IN THE  
AFTERNOON. BAY WATERS SMOOTH.    
MONDAY NIGHT  
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
TUESDAY  
WEST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN THE  
AFTERNOON. BAY WATERS SMOOTH.    
TUESDAY NIGHT  
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
WEDNESDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. A  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
WEDNESDAY NIGHT  
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
THURSDAY  
WEST WINDS AROUND 5 KNOTS, BECOMING SOUTH IN THE  
AFTERNOON. BAY WATERS SMOOTH.    
THURSDAY NIGHT  
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ330-062315-  
MATAGORDA BAY-  
539 AM CDT SUN SEP 6 2026  
   
TODAY  
SOUTHWEST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST THIS  
AFTERNOON. BAY WATERS SMOOTH. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY THIS MORNING, THEN A CHANCE OF SHOWERS AND  
THUNDERSTORMS LATE THIS MORNING AND EARLY AFTERNOON. A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS LATE.    
TONIGHT  
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
MONDAY  
SOUTHWEST WINDS AROUND 5 KNOTS, BECOMING SOUTH IN THE  
AFTERNOON. BAY WATERS SMOOTH.    
MONDAY NIGHT  
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
TUESDAY  
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
TUESDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS  
SMOOTH.    
WEDNESDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. A  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.    
WEDNESDAY NIGHT  
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
THURSDAY  
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
THURSDAY NIGHT  
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ350-355-062315-  
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT  
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-  
539 AM CDT SUN SEP 6 2026  
   
TODAY  
WEST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST AROUND  
5 KNOTS THIS AFTERNOON. SEAS 1 FOOT OR LESS. WAVE DETAIL: SOUTH  
1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS AND THUNDERSTORMS UNTIL  
LATE AFTERNOON, THEN A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
LATE.    
TONIGHT  
SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS. WAVE  
DETAIL: SOUTH 1 FOOT AT 4 SECONDS.    
MONDAY  
WEST WINDS AROUND 5 KNOTS, BECOMING SOUTH IN THE  
AFTERNOON. SEAS 1 FOOT OR LESS. WAVE DETAIL: SOUTH 1 FOOT AT  
4 SECONDS.    
MONDAY NIGHT  
SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.  
WAVE DETAIL: SOUTH 1 FOOT AT 5 SECONDS.    
TUESDAY  
SOUTHWEST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN  
THE AFTERNOON. SEAS 1 FOOT OR LESS. WAVE DETAIL: SOUTH 1 FOOT AT  
4 SECONDS.    
TUESDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND  
2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 4 SECONDS.    
WEDNESDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. A  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.    
WEDNESDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND  
2 FEET.    
THURSDAY  
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.    
THURSDAY NIGHT  
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ370-375-062315-  
WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX FROM 20 TO  
60 NM-WATERS FROM HIGH ISLAND TO FREEPORT TX FROM 20 TO 60 NM-  
539 AM CDT SUN SEP 6 2026  
   
TODAY  
SOUTHWEST WINDS AROUND 5 KNOTS, BECOMING NORTHEAST EARLY  
THIS AFTERNOON, THEN BECOMING SOUTHEAST AROUND 5 KNOTS LATE. SEAS  
1 FOOT OR LESS. WAVE DETAIL: SOUTH 1 FOOT AT 4 SECONDS. A CHANCE  
OF SHOWERS AND THUNDERSTORMS UNTIL LATE AFTERNOON.    
TONIGHT  
SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS. WAVE  
DETAIL: SOUTH 1 FOOT AT 4 SECONDS.    
MONDAY  
SOUTHWEST WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR LESS.  
WAVE DETAIL: SOUTH 1 FOOT AT 5 SECONDS.    
MONDAY NIGHT  
SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS,  
THEN AROUND 2 FEET AFTER MIDNIGHT. WAVE DETAIL: SOUTH 1 FOOT AT  
5 SECONDS.    
TUESDAY  
SOUTH WINDS AROUND 5 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: SOUTH 1 FOOT AT 5 SECONDS.    
TUESDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND  
2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.    
WEDNESDAY  
SOUTHEAST WINDS AROUND 5 KNOTS. SEAS AROUND 2 FEET.  
A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.    
WEDNESDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND  
2 FEET.    
THURSDAY  
SOUTH WINDS AROUND 5 KNOTS. SEAS AROUND 2 FEET. A  
CHANCE OF SHOWERS IN THE MORNING.    
THURSDAY NIGHT  
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
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